Dorman 540-144 Suspension Knuckle Bushing - Rear Lower Rearward

Dorman 540-144 Suspension Knuckle Bushing

Dorman 540-144 is a suspension knuckle bushing engineered as a standard replacement for the original equipment part on select Hyundai and Kia vehicles. It is built with steel and rubber construction to restore proper rear suspension support at the knuckle mounting point.

Compatible with 2006-2011 Hyundai Azera, rear lower rearward; 2006-2010 Hyundai Sonata, rear lower rearward; and 2007-2009 Kia Amanti, rear lower rearward. This Dorman suspension knuckle bushing is a direct-fit service part for rear suspension repair work on these applications.

• Standard replacement bushing for rear suspension knuckle service
• Steel and rubber construction for strength and isolation
• Black and gray finish
• Inside diameter: 14.2 mm
• Outside diameter: 40.3 mm
• Length: 60 mm
• Mounting hardware not included

Detailed Product Overview

This suspension knuckle bushing is precision-engineered and tested to replace the original equipment part on specific vehicles. Dorman 540-144 is designed for the rear lower rearward position and supports the knuckle connection where worn rubber and metal components can affect suspension performance. It cross-references Hyundai/Kia OE part number 552153K000 for the same application.

Use this part when servicing a Hyundai Azera, Hyundai Sonata, or Kia Amanti with rear suspension wear at the knuckle bushing location. The steel-reinforced rubber design helps restore the intended mounting interface while maintaining OE-style dimensions for proper fitment.

Common Problems This Part Can Address

• Rear suspension clunking or knocking from a worn knuckle bushing
• Excessive movement at the rear lower rearward suspension mount
• Degraded rubber causing looseness or poor suspension control
• Noise or vibration from a deteriorated OE bushing
• Need for OE-style replacement during rear suspension repair

Installation Notes and Tips

Install in the rear lower rearward knuckle position only on the listed applications. Verify bushing dimensions and vehicle fitment before pressing the part into place. Because mounting hardware is not included, inspect related fasteners and surrounding suspension components during service. Professional installation is recommended for bushing replacement.

Quality Assurance

Dorman manufactures this part as a standard replacement component and subjects it to engineering and testing checks to support reliable OE-style service on the specified Hyundai and Kia applications. Part number 540-144 is built for consistent fit and function in the listed rear suspension positions.